source: trunk/synergy/cmd/launcher/CAdvancedOptions.cpp@ 3775

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file COPYING that should have accompanied this file.
 * 
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include "CConfig.h"
#include "ProtocolTypes.h"
#include "CStringUtil.h"
#include "CArch.h"
#include "CArchMiscWindows.h"
#include "CAdvancedOptions.h"
#include "LaunchUtil.h"
#include "XArch.h"
#include "resource.h"

//
// CAdvancedOptions
//

CAdvancedOptions*               CAdvancedOptions::s_singleton = NULL;

CAdvancedOptions::CAdvancedOptions(HWND parent, CConfig* config) :
        m_parent(parent),
        m_config(config),
        m_isClient(false),
        m_screenName(ARCH->getHostName()),
        m_port(kDefaultPort),
        m_interface()
{
        assert(s_singleton == NULL);
        s_singleton = this;
        init();
}

CAdvancedOptions::~CAdvancedOptions()
{
        s_singleton = NULL;
}

void
CAdvancedOptions::doModal(bool isClient)
{
        // save state
        m_isClient = isClient;

        // do dialog
        DialogBoxParam(s_instance, MAKEINTRESOURCE(IDD_ADVANCED_OPTIONS),
                                                                m_parent, dlgProc, (LPARAM)this);
}

CString
CAdvancedOptions::getScreenName() const
{
        return m_screenName;
}

int
CAdvancedOptions::getPort() const
{
        return m_port;
}

CString
CAdvancedOptions::getInterface() const
{
        return m_interface;
}

CString
CAdvancedOptions::getCommandLine(bool isClient, const CString& serverName) const
{
        CString cmdLine;

        // screen name
        if (!m_screenName.empty()) {
                cmdLine += " --name ";
                cmdLine += m_screenName;
        }

        // port
        char portString[20];
        sprintf(portString, "%d", m_port);
        if (isClient) {
                cmdLine += " ";
                cmdLine += serverName;
                cmdLine += ":";
                cmdLine += portString;
        }
        else {
                cmdLine += " --address ";
                if (!m_interface.empty()) {
                        cmdLine += m_interface;
                }
                cmdLine += ":";
                cmdLine += portString;
        }

        return cmdLine;
}

void
CAdvancedOptions::init()
{
        // get values from registry
        HKEY key = CArchMiscWindows::openKey(HKEY_CURRENT_USER, getSettingsPath());
        if (key != NULL) {
                DWORD newPort        = CArchMiscWindows::readValueInt(key, "port");
                CString newName      = CArchMiscWindows::readValueString(key, "name");
                CString newInterface =
                        CArchMiscWindows::readValueString(key, "interface");
                if (newPort != 0) {
                        m_port = static_cast<int>(newPort);
                }
                if (!newName.empty()) {
                        m_screenName = newName;
                }
                if (!newInterface.empty()) {
                        m_interface = newInterface;
                }
                CArchMiscWindows::closeKey(key);
        }
}

void
CAdvancedOptions::doInit(HWND hwnd)
{
        // set values in GUI
        HWND child;
        char buffer[20];
        sprintf(buffer, "%d", m_port);
        child = getItem(hwnd, IDC_ADVANCED_PORT_EDIT);
        SendMessage(child, WM_SETTEXT, 0, (LPARAM)buffer);

        child = getItem(hwnd, IDC_ADVANCED_NAME_EDIT);
        SendMessage(child, WM_SETTEXT, 0, (LPARAM)m_screenName.c_str());

        child = getItem(hwnd, IDC_ADVANCED_INTERFACE_EDIT);
        SendMessage(child, WM_SETTEXT, 0, (LPARAM)m_interface.c_str());
}

bool
CAdvancedOptions::save(HWND hwnd)
{
        SetCursor(LoadCursor(NULL, IDC_WAIT));

        HWND child = getItem(hwnd, IDC_ADVANCED_NAME_EDIT);
        CString name = getWindowText(child);
        if (!m_config->isValidScreenName(name)) {
                showError(hwnd, CStringUtil::format(
                                                                getString(IDS_INVALID_SCREEN_NAME).c_str(),
                                                                name.c_str()));
                SetFocus(child);
                return false;
        }
        if (!m_isClient && !m_config->isScreen(name)) {
                showError(hwnd, CStringUtil::format(
                                                                getString(IDS_UNKNOWN_SCREEN_NAME).c_str(),
                                                                name.c_str()));
                SetFocus(child);
                return false;
        }

        child = getItem(hwnd, IDC_ADVANCED_INTERFACE_EDIT);
        CString iface = getWindowText(child);
        if (!m_isClient) {
                try {
                        if (!iface.empty()) {
                                ARCH->nameToAddr(iface);
                        }
                }
                catch (XArchNetworkName& e) {
                        showError(hwnd, CStringUtil::format(
                                                                getString(IDS_INVALID_INTERFACE_NAME).c_str(),
                                                                iface.c_str(), e.what().c_str()));
                        SetFocus(child);
                        return false;
                }
        }

        // get and verify port
        child = getItem(hwnd, IDC_ADVANCED_PORT_EDIT);
        CString portString = getWindowText(child);
        int port = atoi(portString.c_str());
        if (port < 1 || port > 65535) {
                CString defaultPortString = CStringUtil::print("%d", kDefaultPort);
                showError(hwnd, CStringUtil::format(
                                                                getString(IDS_INVALID_PORT).c_str(),
                                                                portString.c_str(),
                                                                defaultPortString.c_str()));
                SetFocus(child);
                return false;
        }

        // save state
        m_screenName = name;
        m_port       = port;
        m_interface  = iface;

        // save values to registry
        HKEY key = CArchMiscWindows::addKey(HKEY_CURRENT_USER, getSettingsPath());
        if (key != NULL) {
                CArchMiscWindows::setValue(key, "port", m_port);
                CArchMiscWindows::setValue(key, "name", m_screenName);
                CArchMiscWindows::setValue(key, "interface", m_interface);
                CArchMiscWindows::closeKey(key);
        }

        return true;
}

void
CAdvancedOptions::setDefaults(HWND hwnd)
{
        // restore defaults
        m_screenName = ARCH->getHostName();
        m_port       = kDefaultPort;
        m_interface  = "";

        // update GUI
        doInit(hwnd);
}

BOOL
CAdvancedOptions::doDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM)
{
        switch (message) {
        case WM_INITDIALOG:
                doInit(hwnd);
                return TRUE;

        case WM_COMMAND:
                switch (LOWORD(wParam)) {
                case IDOK:
                        if (save(hwnd)) {
                                EndDialog(hwnd, 0);
                        }
                        return TRUE;

                case IDCANCEL:
                        EndDialog(hwnd, 0);
                        return TRUE;

                case IDC_ADVANCED_DEFAULTS:
                        setDefaults(hwnd);
                        return TRUE;
                }
                break;

        default:
                break;
        }

        return FALSE;
}

BOOL CALLBACK
CAdvancedOptions::dlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
        return s_singleton->doDlgProc(hwnd, message, wParam, lParam);
}